added basic camera handling

scratchgpio_handler5dev.py

@@ -33,6 +33,7 @@
 import re
 import sgh_GPIOController
 import sgh_PiGlow
+import sgh_RasPiCamera
 import sgh_PiMatrix
 import sgh_Stepper
 import logging
@@ -1259,6 +1260,7 @@ def run(self):
                                     sghGC.pinUpdate(motorList[listLoop][2],0)
 
 
+
                     elif (("piglow" in ADDON) and (piglow != None)):
                         #do PiGlow stuff but make sure PiGlow physically detected             
 
@@ -1780,6 +1782,10 @@ def run(self):
                         if self.bFind('ultra2'):
                             print 'start pinging on', str(7)
                             sghGC.pinUse[7] = sghGC.PULTRA
+
+                    elif ("raspicamera" in ADDON):
+                        if self.bFindValue('photo'):
+                            RasPiCamera.take_photo()
 
                     elif (("piglow" in ADDON) and (piglow != None)): # Pimoroni PiGlow
                         #print "processing piglow variables"
@@ -2456,7 +2462,12 @@ def cleanup_threads(threads):
 #PiMatrix.start()
     #time.sleep(5)
 
-
+RasPiCamera = None
+try:
+    RasPiCamera = sgh_RasPiCamera.RasPiCamera()
+    print RasPiCamera
+except:
+    print "No Camera Detected"
 
 if __name__ == '__main__':
     SCRIPTPATH = os.path.split(os.path.realpath(__file__))[0]

sgh_RasPiCamera.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+# sgh_RasPiCamera - control the raspberry pi camera via scratch
+#Copyright (C) 2014 by Matt Venn
+
+#This program is free software; you can redistribute it and/or
+#modify it under the terms of the GNU General Public License
+#as published by the Free Software Foundation; either version 2
+#of the License, or (at your option) any later version.
+
+#This program is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
+
+#You should have received a copy of the GNU General Public License
+#along with this program; if not, write to the Free Software
+#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+Version =  '0.0.1' # 13Apr14
+
+
+import os,glob
+
+class RasPiCamera:
+
+    def __init__(self):
+        print "pi camera init"
+        self.num = 0
+        self.dir = (os.path.expanduser("~") + "/photos/")
+        try:
+            os.mkdir(self.dir)
+        except OSError:
+            #already exists
+            pass
+
+        photos = glob.glob(self.dir + '*.jpg')
+        if len(photos):
+            latest_photo = sorted(photos)[-1]
+            latest_photo = latest_photo.replace(self.dir,'')
+            latest_photo = latest_photo.replace('.jpg','')
+            latest_photo_num = int(latest_photo)
+            self.num = latest_photo_num + 1
+
+        print("starting at %d" % self.num)
+
+
+    def take_photo(self):
+        photo_file = self.dir + str(self.num) + '.jpg'
+        os.system("raspistill -n -t 1 -o " + photo_file)
+        print "photo taken: " + photo_file
+        self.num += 1
+
+#### end RasPiCamera ###############################################################
+
+
+
+